In the Supreme Court of the United States, Tony H. Pham, senior official performing the duties of the Director of U.S. Immigration and Customs Enforcement, et al., petitioners, v. Maria Angelica Guzman Chavez, et al., respondents : on writ of certiorari to the United States Court of Appeals for the Fourth Circuit : brief of the American Immigration Council, the American Immigration Lawyers Association, the Asylum Defense Project, the Bronx Defender Services, the Capital Area Immigrants' Rights Coalition, the Legal Aid Society, Refugee amd Immigrant Center for Education and Legal Services, and the Rocky Mountain Immigrant Advocacy Network as amici curiae in support of respondents /

At issue is which of two provisions of the Immigration and Nationalization Act applies to aliens facing reinstated removal proceedings: under one provision, they face mandatory detention until their case is decided, while under the other they may seek temporary freedom from detention.